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<x-charset iso-8859-1>That builds on what Mark was saying. THIS is VERY invaluable advice. Thanks Mark and Jim! By the way, I got the dash trim in today, Jim. They are nice. Thank you. Jason 68 Notch ----- Original Message ----- From: "Jim Adney" <jadney@vwtype3.org> To: <type3@vwtype3.org> Sent: Wednesday, January 02, 2002 8:24 PM Subject: Re: [T3] total advance > On 2 Jan 2002, at 15:04, phil wrote: > > > I'm not sure I understand... Don't you need a > > reference point on the pulley to shoot the stobe at? > > Or does the dial bring the TDC mark back when the > > strobe is shooting at high RPMs? > > I've not used one either, but there must be a knob that you turn > until the strobe lights up the TDC mark; then you read the advance > off the dial around the knob. At any rate they are pretty expensive > tools. > > You can do a pretty good estimate of this by measuring the pulley > diameter and calculating the circumference. Divide by 360 and you > have the amount of distance along the pulley that each degree > occupies. Measure it out and mark it: Voila. > > You'll still need a regular timing light to do this, but they are very > affordable now and they tell you SO MUCH about what's going on > that everyone who does their own tune-ups should own one. You'll > pay for it in one self-done tune-up. I prefer and recommend the kind > with the inductive pickups; I don't know if the old style are even > made any more. > > - > ******************************* > Jim Adney, jadney@vwtype3.org > Madison, Wisconsin, USA > ******************************* > > ------------------------------------------------------------------- > Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe > > </x-charset>